โพสต์เมื่อ 11 ธ.ค. 2558 | 17:18 น.
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This enhanced color mosaic combines some of the sharpest views of Pluto that NASA’s New Horizons spacecraft obtained during its July 14 flyby. The pictures are part of a sequence taken near New Horizons’ closest approach to Pluto, with resolutions of about 250-280 feet (77-85 meters) per pixel – revealing features smaller than half a city block on Pluto’s surface. Lower resolution color data (at about 2,066 feet, or 630 meters, per pixel) were added to create this new image. The images form a strip 50 miles (80 kilometers) wide, trending (top to bottom) from the edge of “badlands” northwest of the informally named Sputnik Planum, across the al-Idrisi mountains, onto the shoreline of Pluto’s “heart” feature, and just into its icy plains. The wide variety of cratered, mountainous and glacial terrains seen here gives scientists and the public alike a breathtaking, super-high-resolution color window into Pluto’s geology. Credit: NASA/JHUAPL/SwRI #nasa #space #pluto #solarsystem #newhorizons; -
Dwarf planet Ceres is shown in these images from NASA’s Dawn spacecraft that create a movie of Ceres rotating. Ceres reveals some of its well-kept secrets in two new studies in the journal Nature, thanks to data from Dawn. They include highly anticipated insights about mysterious bright features found all over the dwarf planet's surface. In one study, scientists identify this bright material as a kind of salt. The second study suggests the detection of ammonia-rich clays, raising questions about how Ceres formed. These images are false-color renderings, which highlight differences in surface materials. Video credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA #nasa #space #nasadawn #dwarfplanet #solarsystem #ceres; -
NASA astronaut Scott Kelly (@StationCDRKelly) captures photographs and video of the Earth from the International Space Station (@ISS) routinely. On Nov. 17, 2015. Kelly shared this stunning image, writing "Unmistakably #Africa." Image Credit: NASA #nasa #space #iss #spacestation #yearinspace #earth; -
Tethys, dwarfed by the scale of Saturn and its rings, appears as an elegant crescent in this image taken by NASA's Cassini Spacecraft. Views like this are impossible from Earth, where we only see Saturn's moons as (more or less) fully illuminated disks. The image was taken in visible light with the Cassini spacecraft wide-angle camera on Aug. 18, 2015. The view was acquired at a distance of approximately 184,000 miles (296,000 km) from Tethys. Image Credit: NASA/JPL-Caltech/Space Science Institute #nasa #nasabeyond #space #cassini #saturn #moon #tethys #planet #planets #solarsystem #science; -
A United Launch Alliance Atlas V rocket lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station for the Orbital ATK CRS-4 commercial resupply services mission to the International Space Station (@ISS). Liftoff was at 4:44 p.m. EST. The Cygnus resupply spacecraft will deliver more than 7,000 pounds of essential crew supplies, equipment and scientific experiments to the station. Photo credit: NASA/Tony Gray & Tim Terry #nasa #space #cygnus #launch #rocketlaunch #ula #orbitalatk #rocket #;
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This composite image shows an infrared view of Saturn's moon Titan from NASA's Cassini spacecraft, acquired during the mission's ''T-114'' flyby on Nov. 13, 2015. A view at visible wavelengths would show only Titan's hazy atmosphere. The near-infrared wavelengths in this image allow Cassini's vision to penetrate the haze and reveal the moon's surface. During this Titan flyby, the spacecraft's closest-approach altitude was 6,200 miles (10,000 km), which is considerably higher than those of typical flybys, which are around 750 miles (1,200 km). The high flyby allowed VIMS to gather moderate-resolution views over wide areas (typically at a few km per pixel). Credit: NASA/JPL/University of Arizona/University of Idaho #nasa #space #cassini #saturn #planet #planets #titan #moon #solarsystem #nasabeyond; -
Launch scrub: Because of wind gusts that exceeded the weather criteria for launching, Orbital ATK and United Launch Alliance have postponed the planned launch of the Atlas V rocket carrying the Cygnus spacecraft. It is Orbital ATK’s fourth commercial resupply services mission to the International Space Station. Launch managers have set Saturday, Dec. 5 at 5:10 p.m. EST for the next launch attempt. Image credit: NASA #nasa #space #cygnus; -
Astronomers have found the faintest object ever seen in the early universe. It existed about 400 million years after the big bang, 13.8 billion years ago. This is a Hubble Space Telescope view of a very massive cluster of galaxies, MACS J0416.1-2403, located roughly 4 billion light-years away and weighing as much as a million billion suns. The inset is an image of an extremely faint and distant galaxy that existed only 400 million years after the big bang. Hubble captured it because the gravitational lens makes the galaxy appear 20 times brighter than normal. Credits: NASA, ESA, and L. Infante (Pontificia Universidad Catolica de Chile) #nasa #space #hubble #hst #spitzer #nasabeyond #astronomy #galaxy #bigbang #telescope #science; -
Twas the night before launch... the United Launch Alliance Atlas V rocket carrying Orbital ATK's Cygnus cargo spacecraft is ready for a 5:55 p.m. EST liftoff to the International Space Station tomorrow! Image Credit: United Launch Alliance #nasa #space #spacestation #iss #isscargo #atlasV #cygnus #science #launch #rocket; -
Ready to Launch at 5:55 p.m. EST on Thursday: The United Launch Alliance Atlas V rocket is in place at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Sealed inside the payload fairing atop the rocket is the Orbital ATK Cygnus spacecraft filled with science, crew supplies and equipment bound for the International Space Station. This is the company's fourth scheduled cargo delivery mission to the station. In this image, the Atlas V rocket and Cygnus spacecraft is rolled from the Vertical Integration Facility to the pad at Space Launch Complex-41. Photo credit: United Launch Alliance #nasa #iss #spacestation #cygnus #space #rocket #isscargo #spacecraft #science;
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Before drifting off to sleep tonight, NASA astronaut Scott Kelly (@stationcdrkelly) captured this images from the International Space Station and wrote, "Day 248. #Aurora highlights the end of another month. #GoodNight from @ISS! #YearInSpace" Kelly is living and working off the Earth, for the Earth aboard the station for a yearlong mission. Traveling the world about 250 miles above the Earth, and at 17,500 mph, he circumnavigates the globe more than a dozen times a day. Image Credit: NASA #nasa #spacestation #space #earth #iss #earth; -
A view from the "Kimberley" formation on Mars taken by NASA's Curiosity rover. The strata in the foreground dip towards the base of Mount Sharp, indicating flow of water toward a basin that existed before the larger bulk of the mountain formed. This image was taken by the Mast Camera (Mastcam) on Curiosity on the 580th Martian day, or sol, of the mission. The colors are adjusted so that rocks look approximately as they would if they were on Earth, to help geologists interpret the rocks. This "white balancing" to adjust for the lighting on Mars overly compensates for the absence of blue on Mars, making the sky appear light blue and sometimes giving dark, black rocks a blue cast. Image credit: NASA/JPL-Caltech/MSSS #nasa #space #mars #marscuriosity #rover #redplanet; -
Thank you for joining us as we shared #BlackHoleFriday images & information about black holes. We'll keep hunting for black holes and studying them. How? Spotting black holes is tricky. Because they don’t give off light, astronomers have a difficult time pinpointing their location. But when a black hole gets close enough to an object, like a star, for example, and begins consuming the object's mass, the matter that pours into its gravitational clutches can get so hot that it glows and releases energy in the form of X-ray light. The most powerful X-rays are emitted from the hottest material swirling just outside the edge of the black hole. By observing this light with space telescopes, scientists can determine where black holes are hiding in the cosmos. Credit: NASA's Goddard Space Flight Center #blackholes #blackhole #nasa #space #blackfriday; -
Looking for a size large this #BlackFriday? Here's a supermassive black hole. It's #BlackFriday, but for us, it's the 3rd annual #BlackHoleFriday. Today, we're posting pics & info about black holes. This artist's concept illustrates a supermassive black hole with millions to billions times the mass of our sun. Supermassive black holes are enormously dense objects buried at the hearts of galaxies. (Smaller black holes also exist throughout galaxies.) In this illustration, the supermassive black hole at the center is surrounded by matter flowing onto the black hole in what is termed an accretion disk. This disk forms as the dust and gas in the galaxy falls onto the hole, attracted by its gravity. Also shown is an outflowing jet of energetic particles, believed to be powered by the black hole's spin. The regions near black holes contain compact sources of high energy X-ray radiation thought, in some scenarios, to originate from the base of these jets. This high energy X-radiation lights up the disk, which reflects it, making the disk a source of X-rays. The reflected light enables astronomers to see how fast matter is swirling in the inner region of the disk, and ultimately to measure the black hole's spin rate. Image credit: NASA/JPL-Caltech #blackhole #blackholes #nasa #space; -
Just like the smallest stores can fit massive crowds on Black Friday, this small galaxy contains a supermassive black hole. Astronomers using data from our Hubble Space Telescope have found this unlikely object in an improbably place — a monster black hole lurking inside one of the tiniest galaxies ever known. If you lived inside this dwarf galaxy, the night sky would dazzle with at least 1 million stars visible to the naked eye. Our nighttime sky as seen from Earth’s surface shows 4,000 stars. The finding implies there are many other compact galaxies in the universe that contain supermassive black holes. Today is our third annual #BlackHoleFriday, where we're posting pics & info about black holes on #BlackFriday. Credit: NASA, ESA, STScI-PRC14-41a #blackhole #blackholes #NASA #Space;
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